37298472661 has 2 divisors, whose sum is σ = 37298472662. Its totient is φ = 37298472660.

The previous prime is 37298472619. The next prime is 37298472691. The reversal of 37298472661 is 16627489273.

37298472661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32015944900 + 5282527761 = 178930^2 + 72681^2 .

It is a cyclic number.

It is not a de Polignac number, because 37298472661 - 2⁹ = 37298472149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37298472611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18649236330 + 18649236331.

It is an arithmetic number, because the mean of its divisors is an integer number (18649236331).

Almost surely, 2^37298472661 is an apocalyptic number.

It is an amenable number.

37298472661 is a deficient number, since it is larger than the sum of its proper divisors (1).

37298472661 is an equidigital number, since it uses as much as digits as its factorization.

37298472661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The spelling of 37298472661 in words is "thirty-seven billion, two hundred ninety-eight million, four hundred seventy-two thousand, six hundred sixty-one".