356947697401 has 3 divisors (see below), whose sum is σ = 356948294853. Its totient is φ = 356947099950.

The previous prime is 356947697371. The next prime is 356947697471. The reversal of 356947697401 is 104796749653.

The square root of 356947697401 is 597451.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 104796749653 = 1949 ⋅53769497.

It is not a de Polignac number, because 356947697401 - 2²⁹ = 356410826489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356947697401.

It is not an unprimeable number, because it can be changed into a prime (356947697471) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 298726 + ... + 896176.

It is an arithmetic number, because the mean of its divisors is an integer number (118982764951).

Almost surely, 2^356947697401 is an apocalyptic number.

356947697401 is the 597451-st square number.

356947697401 is the 298726-th centered octagonal number.

It is an amenable number.

356947697401 is a deficient number, since it is larger than the sum of its proper divisors (597452).

356947697401 is an frugal number, since it uses more digits than its factorization.

356947697401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194902 (or 597451 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 356947697401 in words is "three hundred fifty-six billion, nine hundred forty-seven million, six hundred ninety-seven thousand, four hundred one".