1051631065464 has 64 divisors (see below), whose sum is σ = 3023093763840. Its totient is φ = 298622661120.

The previous prime is 1051631065439. The next prime is 1051631065489. The reversal of 1051631065464 is 4645601361501.

1051631065464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1051631065439) and next prime (1051631065489).

It is a super-2 number, since 2×1051631065464² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19174177 + ... + 19228944.

It is an arithmetic number, because the mean of its divisors is an integer number (47235840060).

Almost surely, 2^{1051631065464} is an apocalyptic number.

1051631065464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1051631065464 is an abundant number, since it is smaller than the sum of its proper divisors (1971462698376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051631065464 is a wasteful number, since it uses less digits than its factorization.

1051631065464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38403300 (or 38403296 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 1051631065464 in words is "one trillion, fifty-one billion, six hundred thirty-one million, sixty-five thousand, four hundred sixty-four".