5436767021 has 12 divisors (see below), whose sum is σ = 6342543900. Its totient is φ = 4646718720.

The previous prime is 5436766999. The next prime is 5436767029. The reversal of 5436767021 is 1207676345.

It can be written as a sum of positive squares in 2 ways, for example, as 3771310921 + 1665456100 = 61411^2 + 40810^2 .

It is not a de Polignac number, because 5436767021 - 2¹⁸ = 5436504877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5436767021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5436767029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141860 + ... + 176061.

It is an arithmetic number, because the mean of its divisors is an integer number (528545325).

Almost surely, 2^5436767021 is an apocalyptic number.

It is an amenable number.

5436767021 is a deficient number, since it is larger than the sum of its proper divisors (905776879).

5436767021 is a wasteful number, since it uses less digits than its factorization.

5436767021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318284 (or 318277 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 5436767021 is about 73734.4357881716. The cubic root of 5436767021 is about 1758.3833964398.

The spelling of 5436767021 in words is "five billion, four hundred thirty-six million, seven hundred sixty-seven thousand, twenty-one".