245101460621 has 2 divisors, whose sum is σ = 245101460622. Its totient is φ = 245101460620.

The previous prime is 245101460579. The next prime is 245101460657. The reversal of 245101460621 is 126064101542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195677946025 + 49423514596 = 442355^2 + 222314^2 .

It is a cyclic number.

It is not a de Polignac number, because 245101460621 - 2¹⁸ = 245101198477 is a prime.

It is a super-2 number, since 2×245101460621² (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 (245101468621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122550730310 + 122550730311.

It is an arithmetic number, because the mean of its divisors is an integer number (122550730311).

Almost surely, 2^245101460621 is an apocalyptic number.

It is an amenable number.

245101460621 is a deficient number, since it is larger than the sum of its proper divisors (1).

245101460621 is an equidigital number, since it uses as much as digits as its factorization.

245101460621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 245101460621 in words is "two hundred forty-five billion, one hundred one million, four hundred sixty thousand, six hundred twenty-one".