1463564731425 has 72 divisors (see below), whose sum is σ = 2571691353600. Its totient is φ = 734303646720.

The previous prime is 1463564731309. The next prime is 1463564731463. The reversal of 1463564731425 is 5241374653641.

It is not a de Polignac number, because 1463564731425 - 2¹⁰ = 1463564730401 is a prime.

It is a super-2 number, since 2×1463564731425² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 49165696 + ... + 49195454.

Almost surely, 2^{1463564731425} is an apocalyptic number.

1463564731425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1463564731425 is a deficient number, since it is larger than the sum of its proper divisors (1108126622175).

1463564731425 is a wasteful number, since it uses less digits than its factorization.

1463564731425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32075 (or 32053 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The spelling of 1463564731425 in words is "one trillion, four hundred sixty-three billion, five hundred sixty-four million, seven hundred thirty-one thousand, four hundred twenty-five".