652421401457 has 16 divisors (see below), whose sum is σ = 746157744000. Its totient is φ = 558818557440.

The previous prime is 652421401453. The next prime is 652421401477. The reversal of 652421401457 is 754104124256.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 652421401457 - 2² = 652421401453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652421401451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85291169 + ... + 85298817.

It is an arithmetic number, because the mean of its divisors is an integer number (46634859000).

Almost surely, 2^652421401457 is an apocalyptic number.

It is an amenable number.

652421401457 is a deficient number, since it is larger than the sum of its proper divisors (93736342543).

652421401457 is a wasteful number, since it uses less digits than its factorization.

652421401457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14776.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 652421401457 in words is "six hundred fifty-two billion, four hundred twenty-one million, four hundred one thousand, four hundred fifty-seven".