302972269421 has 2 divisors, whose sum is σ = 302972269422. Its totient is φ = 302972269420.

The previous prime is 302972269387. The next prime is 302972269471. The reversal of 302972269421 is 124962279203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301670070025 + 1302199396 = 549245^2 + 36086^2 .

It is a cyclic number.

It is not a de Polignac number, because 302972269421 - 2²² = 302968075117 is a prime.

It is a super-2 number, since 2×302972269421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302972269471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151486134710 + 151486134711.

It is an arithmetic number, because the mean of its divisors is an integer number (151486134711).

Almost surely, 2^302972269421 is an apocalyptic number.

It is an amenable number.

302972269421 is a deficient number, since it is larger than the sum of its proper divisors (1).

302972269421 is an equidigital number, since it uses as much as digits as its factorization.

302972269421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 302972269421 in words is "three hundred two billion, nine hundred seventy-two million, two hundred sixty-nine thousand, four hundred twenty-one".