3495942323021 has 4 divisors (see below), whose sum is σ = 3496189243200. Its totient is φ = 3495695402844.

The previous prime is 3495942322993. The next prime is 3495942323023. The reversal of 3495942323021 is 1203232495943.

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 3495942323021 - 2²² = 3495938128717 is a prime.

It is a super-2 number, since 2×3495942323021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3495942323023) 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, 123438851 + ... + 123467168.

It is an arithmetic number, because the mean of its divisors is an integer number (874047310800).

Almost surely, 2^{3495942323021} is an apocalyptic number.

It is an amenable number.

3495942323021 is a deficient number, since it is larger than the sum of its proper divisors (246920179).

3495942323021 is a wasteful number, since it uses less digits than its factorization.

3495942323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246920178.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 3495942323021 in words is "three trillion, four hundred ninety-five billion, nine hundred forty-two million, three hundred twenty-three thousand, twenty-one".