351946749001 has 3 divisors (see below), whose sum is σ = 351947342253. Its totient is φ = 351946155750.

The previous prime is 351946748987. The next prime is 351946749017. The reversal of 351946749001 is 100947649153.

The square root of 351946749001 is 593251.

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.

It is not a de Polignac number, because 351946749001 - 2¹¹ = 351946746953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351946719001) 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, 296626 + ... + 889876.

It is an arithmetic number, because the mean of its divisors is an integer number (117315780751).

Almost surely, 2^351946749001 is an apocalyptic number.

351946749001 is the 593251-st square number.

351946749001 is the 296626-th centered octagonal number.

It is an amenable number.

351946749001 is a deficient number, since it is larger than the sum of its proper divisors (593252).

351946749001 is an frugal number, since it uses more digits than its factorization.

351946749001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186502 (or 593251 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

Multiplying 351946749001 by its sum of digits (49), we get a square (17245390701049 = 4152757²).

The spelling of 351946749001 in words is "three hundred fifty-one billion, nine hundred forty-six million, seven hundred forty-nine thousand, one".