63257731742 has 16 divisors (see below), whose sum is σ = 97075851840. Its totient is φ = 30901481088.

The previous prime is 63257731739. The next prime is 63257731781. The reversal of 63257731742 is 24713775236.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537863 + ... + 644834.

It is an arithmetic number, because the mean of its divisors is an integer number (6067240740).

Almost surely, 2^63257731742 is an apocalyptic number.

63257731742 is a deficient number, since it is larger than the sum of its proper divisors (33818120098).

63257731742 is a wasteful number, since it uses less digits than its factorization.

63257731742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183315.

The product of its digits is 1481760, while the sum is 47.

The spelling of 63257731742 in words is "sixty-three billion, two hundred fifty-seven million, seven hundred thirty-one thousand, seven hundred forty-two".