20473536497 has 8 divisors (see below), whose sum is σ = 20675713344. Its totient is φ = 20271425328.

The previous prime is 20473536467. The next prime is 20473536527. The reversal of 20473536497 is 79463537402.

It is an interprime number because it is at equal distance from previous prime (20473536467) and next prime (20473536527).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20473536497 - 2¹⁴ = 20473520113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20473536437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817118 + ... + 841800.

It is an arithmetic number, because the mean of its divisors is an integer number (2584464168).

Almost surely, 2^20473536497 is an apocalyptic number.

It is an amenable number.

20473536497 is a deficient number, since it is larger than the sum of its proper divisors (202176847).

20473536497 is a wasteful number, since it uses less digits than its factorization.

20473536497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32839.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 20473536497 in words is "twenty billion, four hundred seventy-three million, five hundred thirty-six thousand, four hundred ninety-seven".