1501494473 has 2 divisors, whose sum is σ = 1501494474. Its totient is φ = 1501494472.

The previous prime is 1501494469. The next prime is 1501494479. The reversal of 1501494473 is 3744941051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463215504 + 38278969 = 38252^2 + 6187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501494473 - 2² = 1501494469 is a prime.

It is not a weakly prime, because it can be changed into another prime (1501494479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750747236 + 750747237.

It is an arithmetic number, because the mean of its divisors is an integer number (750747237).

Almost surely, 2^1501494473 is an apocalyptic number.

It is an amenable number.

1501494473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501494473 is an equidigital number, since it uses as much as digits as its factorization.

1501494473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1501494473 is about 38749.1222223162. The cubic root of 1501494473 is about 1145.0942818190.

The spelling of 1501494473 in words is "one billion, five hundred one million, four hundred ninety-four thousand, four hundred seventy-three".