1975091364 has 63 divisors (see below), whose sum is σ = 5188548603. Its totient is φ = 657563832.

The previous prime is 1975091357. The next prime is 1975091383. The reversal of 1975091364 is 4631905791.

The square root of 1975091364 is 44442.

It is a perfect power (a square), and thus also a powerful number.

1975091364 is a `hidden beast` number, since 1 + 9 + 7 + 509 + 136 + 4 = 666.

It is a super-2 number, since 2×1975091364² = 7801971792294760992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2399457 + ... + 2400279.

Almost surely, 2^1975091364 is an apocalyptic number.

1975091364 is the 44442-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1975091364

1975091364 is an abundant number, since it is smaller than the sum of its proper divisors (3213457239).

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

1975091364 is an frugal number, since it uses more digits than its factorization.

1975091364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The cubic root of 1975091364 is about 1254.6686985471.

The spelling of 1975091364 in words is "one billion, nine hundred seventy-five million, ninety-one thousand, three hundred sixty-four".