35400123513 has 6 divisors (see below), whose sum is σ = 51133511754. Its totient is φ = 23600082336.

The previous prime is 35400123503. The next prime is 35400123547. The reversal of 35400123513 is 31532100453.

It can be written as a sum of positive squares in only one way, i.e., 35093278224 + 306845289 = 187332^2 + 17517^2 .

It is not a de Polignac number, because 35400123513 - 2⁵ = 35400123481 is a prime.

It is a super-2 number, since 2×35400123513² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (35400123503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1966673520 + ... + 1966673537.

It is an arithmetic number, because the mean of its divisors is an integer number (8522251959).

Almost surely, 2^35400123513 is an apocalyptic number.

It is an amenable number.

35400123513 is a deficient number, since it is larger than the sum of its proper divisors (15733388241).

35400123513 is a wasteful number, since it uses less digits than its factorization.

35400123513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933347063 (or 3933347060 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 35400123513 its reverse (31532100453), we get a palindrome (66932223966).

The spelling of 35400123513 in words is "thirty-five billion, four hundred million, one hundred twenty-three thousand, five hundred thirteen".