34201551557 has 2 divisors, whose sum is σ = 34201551558. Its totient is φ = 34201551556.

The previous prime is 34201551539. The next prime is 34201551577. The reversal of 34201551557 is 75515510243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34101531556 + 100020001 = 184666^2 + 10001^2 .

It is a cyclic number.

It is not a de Polignac number, because 34201551557 - 2⁶ = 34201551493 is a prime.

It is a super-2 number, since 2×34201551557² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34201551557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34201551577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17100775778 + 17100775779.

It is an arithmetic number, because the mean of its divisors is an integer number (17100775779).

Almost surely, 2^34201551557 is an apocalyptic number.

It is an amenable number.

34201551557 is a deficient number, since it is larger than the sum of its proper divisors (1).

34201551557 is an equidigital number, since it uses as much as digits as its factorization.

34201551557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 34201551557 in words is "thirty-four billion, two hundred one million, five hundred fifty-one thousand, five hundred fifty-seven".