65142563451 has 32 divisors (see below), whose sum is σ = 104434272768. Its totient is φ = 35334869760.

The previous prime is 65142563429. The next prime is 65142563471. The reversal of 65142563451 is 15436524156.

It is not a de Polignac number, because 65142563451 - 2²⁹ = 64605692539 is a prime.

It is a super-2 number, since 2×65142563451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65142563401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 990565 + ... + 1054278.

It is an arithmetic number, because the mean of its divisors is an integer number (3263571024).

Almost surely, 2^65142563451 is an apocalyptic number.

65142563451 is a deficient number, since it is larger than the sum of its proper divisors (39291709317).

65142563451 is a wasteful number, since it uses less digits than its factorization.

65142563451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044931.

The product of its digits is 432000, while the sum is 42.

The spelling of 65142563451 in words is "sixty-five billion, one hundred forty-two million, five hundred sixty-three thousand, four hundred fifty-one".