4687631402 has 4 divisors (see below), whose sum is σ = 7031447106. Its totient is φ = 2343815700.

The previous prime is 4687631401. The next prime is 4687631407. The reversal of 4687631402 is 2041367864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4495836601 + 191794801 = 67051^2 + 13849^2 .

It is a super-2 number, since 2×4687631402² = 43947776322032971208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4687631402.

It is not an unprimeable number, because it can be changed into a prime (4687631401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171907849 + ... + 1171907852.

Almost surely, 2^4687631402 is an apocalyptic number.

4687631402 is a deficient number, since it is larger than the sum of its proper divisors (2343815704).

4687631402 is a wasteful number, since it uses less digits than its factorization.

4687631402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343815703.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 4687631402 is about 68466.2793059474. The cubic root of 4687631402 is about 1673.5980132510.

The spelling of 4687631402 in words is "four billion, six hundred eighty-seven million, six hundred thirty-one thousand, four hundred two".