3156522009451 has 2 divisors, whose sum is σ = 3156522009452. Its totient is φ = 3156522009450.

The previous prime is 3156522009449. The next prime is 3156522009461. The reversal of 3156522009451 is 1549002256513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3156522009451 - 2¹ = 3156522009449 is a prime.

It is a super-2 number, since 2×3156522009451² (a number of 26 digits) contains 22 as substring.

Together with 3156522009449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3156522009398 and 3156522009407.

It is not a weakly prime, because it can be changed into another prime (3156522009461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578261004725 + 1578261004726.

It is an arithmetic number, because the mean of its divisors is an integer number (1578261004726).

Almost surely, 2^{3156522009451} is an apocalyptic number.

3156522009451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156522009451 is an equidigital number, since it uses as much as digits as its factorization.

3156522009451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 3156522009451 in words is "three trillion, one hundred fifty-six billion, five hundred twenty-two million, nine thousand, four hundred fifty-one".