37245377461 has 2 divisors, whose sum is σ = 37245377462. Its totient is φ = 37245377460.

The previous prime is 37245377447. The next prime is 37245377509. The reversal of 37245377461 is 16477354273.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37206552100 + 38825361 = 192890^2 + 6231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37245377461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37245377441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18622688730 + 18622688731.

It is an arithmetic number, because the mean of its divisors is an integer number (18622688731).

Almost surely, 2^37245377461 is an apocalyptic number.

It is an amenable number.

37245377461 is a deficient number, since it is larger than the sum of its proper divisors (1).

37245377461 is an equidigital number, since it uses as much as digits as its factorization.

37245377461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 49.

The spelling of 37245377461 in words is "thirty-seven billion, two hundred forty-five million, three hundred seventy-seven thousand, four hundred sixty-one".