347381798401 has 4 divisors (see below), whose sum is σ = 378961961904. Its totient is φ = 315801634900.

The previous prime is 347381798399. The next prime is 347381798411. The reversal of 347381798401 is 104897183743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 347381798401 - 2¹ = 347381798399 is a prime.

It is a super-2 number, since 2×347381798401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347381798411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15790081735 + ... + 15790081756.

It is an arithmetic number, because the mean of its divisors is an integer number (94740490476).

Almost surely, 2^347381798401 is an apocalyptic number.

It is an amenable number.

347381798401 is a deficient number, since it is larger than the sum of its proper divisors (31580163503).

347381798401 is a wasteful number, since it uses less digits than its factorization.

347381798401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31580163502.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 347381798401 in words is "three hundred forty-seven billion, three hundred eighty-one million, seven hundred ninety-eight thousand, four hundred one".