7631051997 has 4 divisors (see below), whose sum is σ = 10174736000. Its totient is φ = 5087367996.

The previous prime is 7631051903. The next prime is 7631051999. The reversal of 7631051997 is 7991501367.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7631051997 - 2¹² = 7631047901 is a prime.

It is a super-3 number, since 3×7631051997³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7631051999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271841997 + ... + 1271842002.

It is an arithmetic number, because the mean of its divisors is an integer number (2543684000).

Almost surely, 2^7631051997 is an apocalyptic number.

It is an amenable number.

7631051997 is a deficient number, since it is larger than the sum of its proper divisors (2543684003).

7631051997 is a wasteful number, since it uses less digits than its factorization.

7631051997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543684002.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 7631051997 is about 87355.8927434206. The cubic root of 7631051997 is about 1968.7691897792.

The spelling of 7631051997 in words is "seven billion, six hundred thirty-one million, fifty-one thousand, nine hundred ninety-seven".