1639467052 has 12 divisors (see below), whose sum is σ = 2869352080. Its totient is φ = 819652176.

The previous prime is 1639467031. The next prime is 1639467059. The reversal of 1639467052 is 2507649361.

It is a super-3 number, since 3×1639467052³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1639467059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62449 + ... + 84727.

Almost surely, 2^1639467052 is an apocalyptic number.

It is an amenable number.

1639467052 is a deficient number, since it is larger than the sum of its proper divisors (1229885028).

1639467052 is a wasteful number, since it uses less digits than its factorization.

1639467052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40680 (or 40678 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 1639467052 is about 40490.3328215514. The cubic root of 1639467052 is about 1179.1459519664.

The spelling of 1639467052 in words is "one billion, six hundred thirty-nine million, four hundred sixty-seven thousand, fifty-two".