1372753729091 has 2 divisors, whose sum is σ = 1372753729092. Its totient is φ = 1372753729090.

The previous prime is 1372753729031. The next prime is 1372753729141. The reversal of 1372753729091 is 1909273572731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372753729091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1372753729031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686376864545 + 686376864546.

It is an arithmetic number, because the mean of its divisors is an integer number (686376864546).

Almost surely, 2^{1372753729091} is an apocalyptic number.

1372753729091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372753729091 is an equidigital number, since it uses as much as digits as its factorization.

1372753729091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5000940, while the sum is 56.

The spelling of 1372753729091 in words is "one trillion, three hundred seventy-two billion, seven hundred fifty-three million, seven hundred twenty-nine thousand, ninety-one".