3454621631 has 4 divisors (see below), whose sum is σ = 3513174600. Its totient is φ = 3396068664.

The previous prime is 3454621609. The next prime is 3454621633. The reversal of 3454621631 is 1361264543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3454621631 is a prime.

It is a super-2 number, since 2×3454621631² = 23868821226746200322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3454621591 and 3454621600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454621633) 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, 29276396 + ... + 29276513.

It is an arithmetic number, because the mean of its divisors is an integer number (878293650).

Almost surely, 2^3454621631 is an apocalyptic number.

3454621631 is a deficient number, since it is larger than the sum of its proper divisors (58552969).

3454621631 is an equidigital number, since it uses as much as digits as its factorization.

3454621631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58552968.

The product of its digits is 51840, while the sum is 35.

The square root of 3454621631 is about 58776.0293912408. The cubic root of 3454621631 is about 1511.7042335955.

The spelling of 3454621631 in words is "three billion, four hundred fifty-four million, six hundred twenty-one thousand, six hundred thirty-one".