42964516455551 has 4 divisors (see below), whose sum is σ = 43358686331400. Its totient is φ = 42570346579704.

The previous prime is 42964516455527. The next prime is 42964516455607. The reversal of 42964516455551 is 15555461546924.

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

It is a cyclic number.

It is not a de Polignac number, because 42964516455551 - 2¹⁴ = 42964516439167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42964516451551) 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, 197084937761 + ... + 197084937978.

It is an arithmetic number, because the mean of its divisors is an integer number (10839671582850).

Almost surely, 2^{42964516455551} is an apocalyptic number.

42964516455551 is a deficient number, since it is larger than the sum of its proper divisors (394169875849).

42964516455551 is a wasteful number, since it uses less digits than its factorization.

42964516455551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394169875848.

The product of its digits is 129600000, while the sum is 62.

The spelling of 42964516455551 in words is "forty-two trillion, nine hundred sixty-four billion, five hundred sixteen million, four hundred fifty-five thousand, five hundred fifty-one".