1376630521450 has 12 divisors (see below), whose sum is σ = 2560532769990. Its totient is φ = 550652208560.

The previous prime is 1376630521447. The next prime is 1376630521471. The reversal of 1376630521450 is 541250366731.

It can be written as a sum of positive squares in 3 ways, for example, as 1066099615441 + 310530906009 = 1032521^2 + 557253^2 .

It is a super-2 number, since 2×1376630521450² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1376630521397 and 1376630521406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13766305165 + ... + 13766305264.

Almost surely, 2^{1376630521450} is an apocalyptic number.

1376630521450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1376630521450 is a deficient number, since it is larger than the sum of its proper divisors (1183902248540).

1376630521450 is a wasteful number, since it uses less digits than its factorization.

1376630521450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27532610441 (or 27532610436 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 1376630521450 in words is "one trillion, three hundred seventy-six billion, six hundred thirty million, five hundred twenty-one thousand, four hundred fifty".