1372653890 has 16 divisors (see below), whose sum is σ = 2517396408. Its totient is φ = 538701696.

The previous prime is 1372653889. The next prime is 1372653901. The reversal of 1372653890 is 983562731.

It can be written as a sum of positive squares in 4 ways, for example, as 1213616569 + 159037321 = 34837^2 + 12611^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294427 + ... + 1295486.

Almost surely, 2^1372653890 is an apocalyptic number.

1372653890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1372653890 is a deficient number, since it is larger than the sum of its proper divisors (1144742518).

1372653890 is a wasteful number, since it uses less digits than its factorization.

1372653890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589973.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1372653890 is about 37049.3439887942. The cubic root of 1372653890 is about 1111.3572365168.

The spelling of 1372653890 in words is "one billion, three hundred seventy-two million, six hundred fifty-three thousand, eight hundred ninety".