2152642472 has 8 divisors (see below), whose sum is σ = 4036204650. Its totient is φ = 1076321232.

The previous prime is 2152642463. The next prime is 2152642517. The reversal of 2152642472 is 2742462512.

It can be written as a sum of positive squares in only one way, i.e., 1681492036 + 471150436 = 41006^2 + 21706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2152642472² = 9267739224516541568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134540147 + ... + 134540162.

Almost surely, 2^2152642472 is an apocalyptic number.

It is an amenable number.

2152642472 is a deficient number, since it is larger than the sum of its proper divisors (1883562178).

2152642472 is a wasteful number, since it uses less digits than its factorization.

2152642472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269080315 (or 269080311 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 2152642472 is about 46396.5782359001. The cubic root of 2152642472 is about 1291.1914301667.

The spelling of 2152642472 in words is "two billion, one hundred fifty-two million, six hundred forty-two thousand, four hundred seventy-two".